{"id":"CVE-2018-12472","aliases":["EUVD-2018-4442","GHSA-52vw-gr9g-vp37","SUSE-SU-2018:2898-1","SUSE-SU-2018:2898-2","SUSE-SU-2018:2899-1","SUSE-SU-2018:3467-1","SUSE-SU-2018:3467-2"],"status":"published","title":"Authentication bypass in sibling check","description":"A improper authentication using the HOST header in SUSE Linux SMT allows remote attackers to spoof a sibling server. Affected releases are SUSE Linux SMT: versions prior to 3.0.37.","severity":{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01531,"percentile":0.74932,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2018-09-27T12:47:15Z","modified":"2026-06-17T01:37:50Z","fixes":[{"ecosystem":"SUSE:OpenStack Cloud 7","package":"smt","fixed_in":["3.0.38-52.26.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 12","package":"smt","fixed_in":["3.0.38-52.26.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"smt","fixed_in":["3.0.38-52.26.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP1-LTSS","package":"smt","fixed_in":["3.0.38-52.26.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP2-LTSS","package":"smt","fixed_in":["3.0.38-52.26.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP2-BCL","package":"smt","fixed_in":["3.0.38-52.26.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"smt","fixed_in":["3.0.38-52.26.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"smt","fixed_in":["3.0.38-52.26.1"],"sources":["osv"]},{"ecosystem":"SUSE:Enterprise Storage 4","package":"smt","fixed_in":["3.0.38-52.26.1"],"sources":["osv"]},{"ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP1","package":"smt","fixed_in":["3.0.38-52.26.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"SUSE:OpenStack Cloud 7","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.37-52.23.6"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 12","package":"perl-File-Touch","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11-3.2.2"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 12","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.37-52.23.6"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP1","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.37-52.23.6"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP1","package":"yast2-smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.14-10.6.2"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.37-52.23.6"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP1-LTSS","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.37-52.23.6"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP1-LTSS","package":"yast2-smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.14-10.6.2"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-LTSS","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.37-52.23.6"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.37-52.23.6"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.37-52.23.6"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Enterprise Storage 4","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.37-52.23.6"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-BCL","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.37-52.23.6"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Subscription Management Tool 11 SP3","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.34-50.8.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud 7","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.38-52.26.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 12","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.38-52.26.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.38-52.26.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP1-LTSS","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.38-52.26.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-LTSS","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.38-52.26.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2-BCL","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.38-52.26.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.38-52.26.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.38-52.26.1"}]}]},{"source":"osv","ecosystem":"SUSE:Enterprise Storage 4","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.38-52.26.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP1","package":"smt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.38-52.26.1"}]}]}],"products":[{"vendor":"suse","product":"subscription_management_tool"},{"vendor":"suse linux","product":"smt"}],"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1104076","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-12472"},{"url":"https://github.com/advisories/GHSA-52vw-gr9g-vp37"},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20182898-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1006984","tags":["report"]},{"url":"https://bugzilla.suse.com/1006989","tags":["report"]},{"url":"https://bugzilla.suse.com/1037811","tags":["report"]},{"url":"https://bugzilla.suse.com/1097560","tags":["report"]},{"url":"https://bugzilla.suse.com/1097824","tags":["report"]},{"url":"https://bugzilla.suse.com/1103809","tags":["report"]},{"url":"https://bugzilla.suse.com/1103810","tags":["report"]},{"url":"https://bugzilla.suse.com/1104076","tags":["report"]},{"url":"https://bugzilla.suse.com/977043","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12470","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12471","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12472","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20182898-2/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20182899-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1072921","tags":["report"]},{"url":"https://bugzilla.suse.com/1074608","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20183467-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1111056","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20183467-2/","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2018-12472","title":"Authentication bypass in sibling check","description":"A improper authentication using the HOST header in SUSE Linux SMT allows remote attackers to spoof a sibling server. Affected releases are SUSE Linux SMT: versions prior to 3.0.37.","status":"published","published":"2018-10-04T14:00:00Z","modified":"2024-09-16T23:31:29.584Z","cvss":[{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:35:06.679212Z"}],"euvd":[{"id":"EUVD-2018-4442","description":"A improper authentication using the HOST header in SUSE Linux SMT allows remote attackers to spoof a sibling server. Affected releases are SUSE Linux SMT: versions prior to 3.0.37.","status":"published","published":"2018-10-04T14:00:00Z","modified":"2024-09-16T23:31:29Z","cvss":[{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-03T00:54:49.761845Z"}],"ghsa":[{"id":"GHSA-52vw-gr9g-vp37","title":"A improper authentication using the HOST header in SUSE Linux SMT allows remote attackers to...","description":"A improper authentication using the HOST header in SUSE Linux SMT allows remote attackers to spoof a sibling server. Affected releases are SUSE Linux SMT: versions prior to 3.0.37.","status":"published","published":"2022-05-13T01:34:46Z","modified":"2023-02-01T05:08:24Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:50:45.608979Z"}],"nvd":[{"id":"CVE-2018-12472","description":"A improper authentication using the HOST header in SUSE Linux SMT allows remote attackers to spoof a sibling server. Affected releases are SUSE Linux SMT: versions prior to 3.0.37.","status":"published","published":"2018-10-04T14:29:00.673Z","modified":"2026-06-17T01:37:50.87Z","cvss":[{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:04:42.52179Z"}],"osv":[{"id":"SUSE-SU-2018:2898-1","title":"Security update for smt, yast2-smt","description":"This update for yast2-smt to 3.0.14 and smt to 3.0.37 fixes the following issues:\n\nThese security issues were fixed in SMT:\n\n- CVE-2018-12471: Xml External Entity processing in the RegistrationSharing\n  modules allowed to read arbitrary file read (bsc#1103809).\n- CVE-2018-12470: SQL injection in RegistrationSharing module allows remote\n  attackers to run arbitrary SQL statements (bsc#1103810).\n- CVE-2018-12472: Authentication bypass in sibling check facilitated further\n  attacks on SMT (bsc#1104076).\n\nSUSE would like to thank Jake Miller for reporting these issues to us.\n\nThese non-security issues were fixed in SMT:\n\n- Fix cron jobs randomization (bsc#1097560)\n- Fix duplicate migration paths (bsc#1097824)\n\nThis non-security issue was fixed in yast2-smt:\n\n- Remove cron job rescheduling (bsc#1097560)\n- Added missing translation marks (bsc#1037811)\n- Explicitly mention 'Organization Credentials' (fate#321759)\n- Rearrange the SMT set-up dialog (bsc#977043)\n- Make the Filter button default (bsc#1006984)\n- Prevent exiting the repo selection dialog via hitting Enter in\n  the repository filter (bsc#1006984)\n- report when error occurs during repo mirroring (bsc#1006989)\n- Use TextEntry-based filter for repos (fate#319777)\n","status":"published","published":"2018-09-27T12:47:15Z","modified":"2026-02-04T03:15:44.699231Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:2898-2","title":"Security update for smt, yast2-smt","description":"This update for yast2-smt to 3.0.14 and smt to 3.0.37 fixes the following issues:\n\nThese security issues were fixed in SMT:\n\n- CVE-2018-12471: Xml External Entity processing in the RegistrationSharing\n  modules allowed to read arbitrary file read (bsc#1103809).\n- CVE-2018-12470: SQL injection in RegistrationSharing module allows remote\n  attackers to run arbitrary SQL statements (bsc#1103810).\n- CVE-2018-12472: Authentication bypass in sibling check facilitated further\n  attacks on SMT (bsc#1104076).\n\nSUSE would like to thank Jake Miller for reporting these issues to us.\n\nThese non-security issues were fixed in SMT:\n\n- Fix cron jobs randomization (bsc#1097560)\n- Fix duplicate migration paths (bsc#1097824)\n\nThis non-security issue was fixed in yast2-smt:\n\n- Remove cron job rescheduling (bsc#1097560)\n- Added missing translation marks (bsc#1037811)\n- Explicitly mention 'Organization Credentials' (fate#321759)\n- Rearrange the SMT set-up dialog (bsc#977043)\n- Make the Filter button default (bsc#1006984)\n- Prevent exiting the repo selection dialog via hitting Enter in\n  the repository filter (bsc#1006984)\n- report when error occurs during repo mirroring (bsc#1006989)\n- Use TextEntry-based filter for repos (fate#319777)\n","status":"published","published":"2018-10-18T12:49:39Z","modified":"2026-02-04T03:19:54.88764Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:2899-1","title":"Security update for smt","description":"This update for smt to 2.0.34 fixes the following issues:\n\nThese security issues were fixed:\n\n- CVE-2018-12471: Xml External Entity processing in the RegistrationSharing\n  modules allowed to read arbitrary file read (bsc#1103809)\n- CVE-2018-12470: SQL injection in RegistrationSharing module allows remote\n  attackers to run arbitary SQL statements (bsc#1103810)\n- CVE-2018-12472: Authentication bypass in sibling check facilitated further\n  attacks on SMT (bsc#1104076)\n\nSUSE would like to thank Jake Miller for reporting these issues to us.\n\nThis non-security issue was fixed:\n\n- More verbose incomplete registration logging (bsc#1072921, bsc#1074608)\n","status":"published","published":"2018-09-27T12:47:25Z","modified":"2026-02-04T04:25:07.251665Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:3467-1","title":"Security update for smt","description":"\n\nSMT was updated to version 3.0.38.\n\nFollowing security issue was fixed:\n\n- CVE-2018-12472: Harden hostname check during sibling check by forcing double\n  reverse lookup (bsc#1104076)\n\nFollowing non security issues were fixed:\n\n- Add migration path check when registration sharing is enabled\n- Fix sibling sync errors (bsc#1111056):\n  - Synchronize all registered products\n  - Handle duplicate registrations when syncing\n  - Force resync to the sibling instance in `upgrade` and\n    `synchronize` API calls\n","status":"published","published":"2018-10-25T18:08:46Z","modified":"2026-02-04T02:23:54.207486Z","updated_at":"2026-11-02T15:53:45.378228Z"},{"id":"SUSE-SU-2018:3467-2","title":"Security update for smt","description":"\n\nSMT was updated to version 3.0.38.\n\nFollowing security issue was fixed:\n\n- CVE-2018-12472: Harden hostname check during sibling check by forcing double\n  reverse lookup (bsc#1104076)\n\nFollowing non security issues were fixed:\n\n- Add migration path check when registration sharing is enabled\n- Fix sibling sync errors (bsc#1111056):\n  - Synchronize all registered products\n  - Handle duplicate registrations when syncing\n  - Force resync to the sibling instance in `upgrade` and\n    `synchronize` API calls\n","status":"published","published":"2019-04-29T06:38:18Z","modified":"2025-05-02T04:07:42.326845Z","updated_at":"2026-11-02T15:53:45.378228Z"}]}}
